"Web search services that don't require an API key" matching MCP connectors:
Matching Connector Tools:
Hotel booking MCP server. Search, book, and manage reservations across 250K+ properties worldwide.
65+ AI tools as MCP: research, write, code, scrape, translate, RAG, agent memory, workflows
Agent-native web hosting — deploy sites, manage DNS, register domains, scale infrastructure
Persistent memory for AI agents. Semantic search, memory graph, W3C DID identity.
Hosted AgentLux MCP server for marketplace, identity, creator, services, and social flows.
53 AI tools for agents: web, crypto, AI generation, OCR, and more. Pay with Stripe or USDC.
40 AI crypto tools: whale tracking, security scans, DeFi analytics, quantum security, and more.
49 developer tools via MCP: DNS, WHOIS, IP lookup, JWT, hashing, QR, and more.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Agent registry with Nostr identity, reputation, escrow, observability, and Lightning payments.
50 AI tools for D365 F&O: X++ search, ADO integration, code gen, security tracing & upgrade impact.
Search and retrieve Avalanche blockchain documentation for building on AVAX.
The media memory layer for AI agents and their humans. Your AI client gets 29 tools to search your collection, add items, update ratings, preview music, and find patterns across everything you've read, watched, and listened to.
Search and download academic papers from arXiv, PubMed, bioRxiv, medRxiv, Google Scholar, Semantic…
AudioAlpha turns 100+ daily finance and crypto podcasts into structured intelligence — α-sentiment scores, narrative signals, asset mentions, transcripts, and market snapshots with 40+ custom metrics. Built for AI-driven research and trading workflows.
Financial podcast intelligence platform — sentiment, narrative, and asset signals from 100+ podcasts
Agent-native developer Q&A with REST, MCP, and A2A discovery endpoints.
MCP server for AI agents: 15 tools, 300+ curated Japanese furniture & home products. mm-precision search, curated sets, replacement finder, AI visibility diagnosis.
A self-improving memory layer. Your memory, notes, tasks and goals, remembered everywhere.
Decentralized AI agent labor market on Ethereum. 15 tools for on-chain job lifecycle.
1,589 tools, 102 services. Stripe, Slack, CRM, GitHub, Supabase + 97 more. One install.
Crypto market data for AI agents via x402. 16 tools: prices, funding, DeFi yields, arbitrage, TA.
Persistent cloud memory for AI agents. Store and search key-value memories across sessions.
Agent-first skill marketplace with USK (Universal Skill Kit) open standard. Search, evaluate, and install skills for AI agents across 7 platforms including Claude Code, OpenClaw, Cursor, Gemini CLI, and Codex CLI.
A global shared memory bank and knowledge base exclusively for autonomous AI agents. It prevents agents like Cursor and Claude from hallucinating the same bug fixes twice by allowing them to search for and contribute verified solutions. Full installation guide: https://github.com/aiagentoverflow/agents-overflow-mcp-docs
Search 7,000+ local service businesses across America by category, location, or keyword.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
MCP server exposing T54 XRPL x402 seller SKUs (OpenAPI) as tools: structured query, research brief, commerce data, and related routes. HTTP 402 + x402 settlement via broker (XRPL / Base USDC per env). Unified HTTPS host with health at /health.
AI-verified knowledge base with trust scoring, temporal facts, and skill cards.
Search ATProto writing, annotations, identity, agents, and forum posts. 12 read-only tools.
Generate AGENTS.md, AP2 compliance docs, checkout rules, debug playbook & MCP configs from any repo.
AgentMail is the email inbox API for AI agents. It gives agents their own email inboxes, like Gmail
A Remote MCP Server that checks every email before your agent acts on it. Connect via MCP protocol, pay per use with Skyfire.
Create high quality presentations with AI
Real-time Amazon data API built for AI agents. 200M+ products, 1B+ reviews, live BSR, pricing, and competitor data as clean JSON. 10 agent skills for market research, competitor monitoring, pricing analysis, and listing audits.
US business bankruptcy data via MCP: search by name, EIN. Lookup docket items.
MCP server for 8,600+ AI/ML jobs. 10 tools: search, similar-jobs, match, stats, salaries, trending.
A decentralized 32×32 pixel-war execution grid for autonomous AI agents on Base Mainnet. Competitive game theory meets an on-chain USDC economy with native Model Context Protocol (MCP) integration.
Free MCP tools: the only MCP linter, health checks, cost estimation, and trust evaluation.
Remote enterprise management of Android devices and apps
Remote MCP server for EDD memos, OFAC screening, Monte Carlo reports, and document output.
Flight search & booking for AI agents. 400+ airlines, $20-50 cheaper than OTAs.
Agent Module provides structured, validated knowledge bases engineered for autonomous agent consumption at runtime. Agents retrieve deterministic knowledge instead of scanning unstructured web content — eliminating hallucinated citations in regulated domains.
Deterministic compliance and vertical knowledge bases for autonomous agents. Free 24hr trial.
EU AI Act compliance knowledge for autonomous agents. Deterministic, structured, MCP-native.
An MCP server for the BlogCaster project.
Agent-to-agent marketplace MCP server. Search 72+ capabilities, invoke services, manage vault inventory, and handle USDC payments - all through MCP tools.
Capability router for autonomous agents with remote MCP and USDC settlement on Base.
Connect AI coding agents to Anima Playground, Figma, and your design system.
AI-powered eSIM recommendation agent for travelers. Provides real-time coverage checks, package search by country, and pricing across 190+ destinations via structured tool calls. Tools available: - list_countries - full list of supported destinations - check_coverage - network operators by country code - search_packages - filter eSIM plans by country - get_package_details - pricing and data specs - create_checkout - generate payment link for purchase No auth required for search tools. Ideal
The AWS Knowledge MCP server is a fully managed remote Model Context Protocol server that provides real-time access to official AWS content in an LLM-compatible format. It offers structured access to AWS documentation, code samples, blog posts, What's New announcements, Well-Architected best practices, and regional availability information for AWS APIs and CloudFormation resources. Key capabilities include searching and reading documentation in markdown format, getting content recommendations, listing AWS regions, and checking regional availability for services and features.
AI service marketplace — agents discover, call, and pay for API services automatically.
Check website AI-readiness: Schema.org, llms.txt, E-E-A-T, robots.txt. Works in Cursor & Claude.
MCP server that delivers up-to-date Bitrix24 REST API documentation.
A managed AI marketing agent that plugs into all your AI tools. Ask about your marketing in plain English — Agentcy analyzes data across GA4, Google Ads, Search Console, WooCommerce, and more, then delivers synthesized insights and recommendations. Not a data dump. Not a dashboard. An agent that thinks. Sign up at goagentcy.com to configure your domains and data sources. Free plan includes 50 requests/month — paid plans start at $29/mo.
AgentPMT is the AI agent marketplace that turns any MCP-compatible AI assistant into an autonomous employee. Connect once and your agents gain access to a growing ecosystem of tools, workflows, and skills spanning communication, data analytics, development, file management, search, and more. AgentPMT dynamically discovers and orchestrates tools from across the MCP ecosystem, so your agents can independently find the right tool for any task without manual configuration.
Art Institute of Chicago MCP — wraps the ARTIC public API (free, no auth)
Search arXiv, fetch paper metadata, and read full-text content. STDIO & Streamable HTTP.
Book appointments with service providers on booboooking.com — no token required.